// Copyright 2021 Authors of Cilium
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package utils

import (
	"fmt"
	"os/exec"
	"strings"
)

type Logger interface {
	Log(format string, args ...interface{})
}

func Exec(l Logger, command string, args ...string) ([]byte, error) {
	c := exec.Command(command, args...)
	bytes, err := c.CombinedOutput()
	if err != nil {
		cmdStr := fmt.Sprintf("%s %s", command, strings.Join(args, " "))
		l.Log("❌ Unable to execute %q:", cmdStr)
		if len(bytes) > 0 {
			l.Log(" %s", string(bytes))
		}
		return []byte{}, fmt.Errorf("unable to execute %q: %w", cmdStr, err)
	}

	return bytes, err
}
